分类 / Names
俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Environment: milieu / climate zone / depth range / distribution range
生态学
; 淡水 底中水层性; 河川洄游 (Ref. 51243). 熱帶
Asia: Maeklong (Ref. 26336), Mekong and Chao Phraya basins (Ref. 12693).
亞洲: Maeklong(參考文獻 26336) ，湄公河與湄南河流域.(參考文獻 12693)
大小 / 重量 / 年龄
Maturity: Lm ? range ? - ? cm
Max length : 300 cm TL 雄鱼/尚未辨别雌雄; (Ref. 30857); 最大体重: 300.0 kg (Ref. 10431)
背棘 (总数): 0. Head very large, about 2.5 times in SL; no barbels; no dorsal spine; 90-110 long gill rakers on first gill arch (Ref. 43281).
头部非常大的, 大约标准体长比率 2.5; 没有触须; 没有背棘; 在第一个鳃弓上的 90-110个长的鳃耙.(参考文献 43281)
Found in large rivers and seasonally in canals and floodplains (Ref. 12693). Adults prefer big pools in the Mekong at least part of the year while juveniles are mostly seen in swamps and small tributaries, from where they are sometimes collected and stocked in ponds (Ref. 37770). The young can acclimatize to live in ponds, canals and swamps. A migratory species (Ref. 37772). Enters flooded forest (Ref. 9497). Young individuals occur in October in the lower Mekong basin (Ref. 12975). Feeds on algae, phytoplankton and fruits of inundated terrestrial plants (Ref. 12693) and detritus (Ref. 58784). Its numbers have declined seriously. Individual fishes rarely survive to reach reproductive maturity. Its catch should be strictly regulated by size. A very desirable food fish, sometimes eaten fresh or pickled (Ref. 12693). Maximum length of 300 cm needs confirmation. Threatened due to over harvesting and habitat loss (Ref. 58490).
发现于大河了与季节性地在运河与洪泛区中.(参考文献 12693) 成鱼在湄公河中偏爱大的深潭至少每年部分的时期而稚鱼是在大部份中见到的沼泽与小的支流, 从哪里它们有时在池塘被收集而且进货.(参考文献 37770) 幼鱼能使生活于池塘，运河与沼泽适应新环境。 一个回游的种.(参考文献 37772) 进入被水淹没的森林。 (参考文献 9497) 幼鱼在下面的湄公河流域十月时出现。 (参考文献 12975) 吃浸水陆生植物的藻类，浮游植物与果实。 (参考文献 12693) 它的数字已经严重地消退。 个别的鱼很少地对达到生殖成熟存活。 它的捕捉应该严格地被用体型大小控制。 一个非常令人满意的食用鱼, 有时被生鲜食用或烂醉如泥的.(参考文献 12693) 300 公分的最大长度需要证实。
Life cycle and mating behavior
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
亞洲: Maeklong(參考文獻 26336) ，湄公河與湄南河流域.(參考文獻 12693)
Rainboth, W.J., 1996. Fishes of the Cambodian Mekong. FAO species identification field guide for fishery purposes. FAO, Rome, 265 p. (Ref. 12693)
人类利用
渔业: 商业性; 养殖: 商业性
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01122 (0.00514 - 0.02450), b=3.04 (2.87 - 3.21), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
营养阶层 (Ref.
69278): 2.9 ±0.44 se; based on food items.
回复力 (Ref.
120179): 低的, 最小族群倍增时间4.5 - 14 年 (Assuming tm=5-10).
Fishing Vulnerability (Ref.
59153): Very high vulnerability (90 of 100).
